formbook | c8f65c12fb6f421428217e6f7bc772e3b2608b14ce4cc178292f403edf7bf989

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 22:12

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General

Target

Payment advice.exe
Size

688KB
MD5

a7858d093f5f0f3315109c6c24ed7c2e
SHA1

ec87e2226e81046e891eef71a5170428b3133403
SHA256

6f060cc85631ddca9a23b6a588bea990b0fd6b24fedc18021aae81aa3ed10fdc
SHA512

74a8d5d01a4c7305c292774826d36742bfdbaa315e5b5bf5dd03a2a8f2455bc6db7bb0a17b73f9359ec7a3bd0f295dcd8e274c510c48ee193837fb6eef98505b
SSDEEP

12288:EI8FcsaCZXRpyCosDf8DYkC4cQ6ysNvPTSveFvo/P79byB:J8FcsaeX3yCpf8OusNWx/5b

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4984-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4984-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4532-68-0x0000000000B10000-0x0000000000B3F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
872	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Payment advice.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 752 set thread context of 4984	752	Payment advice.exe	89
PID 4984 set thread context of 3472	4984	Payment advice.exe	56
PID 4532 set thread context of 3472	4532	cmmon32.exe	56

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment advice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
752	Payment advice.exe
752	Payment advice.exe
4984	Payment advice.exe
4984	Payment advice.exe
4984	Payment advice.exe
4984	Payment advice.exe
872	powershell.exe
872	powershell.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe
4532	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4984	Payment advice.exe
4984	Payment advice.exe
4984	Payment advice.exe
4532	cmmon32.exe
4532	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	752	Payment advice.exe
Token: SeDebugPrivilege	4984	Payment advice.exe
Token: SeDebugPrivilege	872	powershell.exe
Token: SeDebugPrivilege	4532	cmmon32.exe
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 872	752	Payment advice.exe	87
PID 752 wrote to memory of 872	752	Payment advice.exe	87
PID 752 wrote to memory of 872	752	Payment advice.exe	87
PID 752 wrote to memory of 4984	752	Payment advice.exe	89
PID 752 wrote to memory of 4984	752	Payment advice.exe	89
PID 752 wrote to memory of 4984	752	Payment advice.exe	89
PID 752 wrote to memory of 4984	752	Payment advice.exe	89
PID 752 wrote to memory of 4984	752	Payment advice.exe	89
PID 752 wrote to memory of 4984	752	Payment advice.exe	89
PID 3472 wrote to memory of 4532	3472	Explorer.EXE	90
PID 3472 wrote to memory of 4532	3472	Explorer.EXE	90
PID 3472 wrote to memory of 4532	3472	Explorer.EXE	90
PID 4532 wrote to memory of 4028	4532	cmmon32.exe	93
PID 4532 wrote to memory of 4028	4532	cmmon32.exe	93
PID 4532 wrote to memory of 4028	4532	cmmon32.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\Payment advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:752
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:872
- - C:\Users\Admin\AppData\Local\Temp\Payment advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4984
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dd34b51c.xvf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/752-6-0x00000000059C0000-0x00000000059D2000-memory.dmp

Filesize
72KB

Download
memory/752-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

Filesize
5.6MB

Download
memory/752-3-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/752-5-0x0000000005780000-0x000000000578A000-memory.dmp

Filesize
40KB

Download
memory/752-4-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/752-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/752-7-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/752-8-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/752-9-0x0000000008580000-0x00000000085F8000-memory.dmp

Filesize
480KB

Download
memory/752-10-0x000000000AD90000-0x000000000AE2C000-memory.dmp

Filesize
624KB

Download
memory/752-1-0x0000000000B30000-0x0000000000BE2000-memory.dmp

Filesize
712KB

Download
memory/752-13-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/872-26-0x0000000005A50000-0x0000000005AB6000-memory.dmp

Filesize
408KB

Download
memory/872-40-0x00000000067C0000-0x00000000067F2000-memory.dmp

Filesize
200KB

Download
memory/872-16-0x0000000004BB0000-0x0000000004BE6000-memory.dmp

Filesize
216KB

Download
memory/872-18-0x0000000005320000-0x0000000005948000-memory.dmp

Filesize
6.2MB

Download
memory/872-67-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/872-23-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/872-64-0x0000000007840000-0x0000000007848000-memory.dmp

Filesize
32KB

Download
memory/872-63-0x0000000007860000-0x000000000787A000-memory.dmp

Filesize
104KB

Download
memory/872-19-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/872-24-0x00000000050C0000-0x00000000050E2000-memory.dmp

Filesize
136KB

Download
memory/872-25-0x00000000051E0000-0x0000000005246000-memory.dmp

Filesize
408KB

Download
memory/872-62-0x0000000007760000-0x0000000007774000-memory.dmp

Filesize
80KB

Download
memory/872-59-0x0000000007750000-0x000000000775E000-memory.dmp

Filesize
56KB

Download
memory/872-32-0x0000000005BC0000-0x0000000005F14000-memory.dmp

Filesize
3.3MB

Download
memory/872-37-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/872-38-0x0000000006290000-0x00000000062DC000-memory.dmp

Filesize
304KB

Download
memory/872-39-0x000000007F950000-0x000000007F960000-memory.dmp

Filesize
64KB

Download
memory/872-17-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/872-41-0x00000000703B0000-0x00000000703FC000-memory.dmp

Filesize
304KB

Download
memory/872-51-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/872-52-0x00000000067A0000-0x00000000067BE000-memory.dmp

Filesize
120KB

Download
memory/872-53-0x00000000073E0000-0x0000000007483000-memory.dmp

Filesize
652KB

Download
memory/872-54-0x0000000007B60000-0x00000000081DA000-memory.dmp

Filesize
6.5MB

Download
memory/872-55-0x0000000007520000-0x000000000753A000-memory.dmp

Filesize
104KB

Download
memory/872-56-0x0000000007590000-0x000000000759A000-memory.dmp

Filesize
40KB

Download
memory/872-57-0x00000000077A0000-0x0000000007836000-memory.dmp

Filesize
600KB

Download
memory/872-58-0x0000000007720000-0x0000000007731000-memory.dmp

Filesize
68KB

Download
memory/3472-22-0x00000000081A0000-0x000000000831B000-memory.dmp

Filesize
1.5MB

Download
memory/3472-72-0x0000000002AB0000-0x0000000002B7B000-memory.dmp

Filesize
812KB

Download
memory/4532-61-0x0000000000030000-0x000000000003C000-memory.dmp

Filesize
48KB

Download
memory/4532-60-0x0000000000030000-0x000000000003C000-memory.dmp

Filesize
48KB

Download
memory/4532-68-0x0000000000B10000-0x0000000000B3F000-memory.dmp

Filesize
188KB

Download
memory/4984-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4984-14-0x00000000016C0000-0x0000000001A0A000-memory.dmp

Filesize
3.3MB

Download
memory/4984-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4984-21-0x0000000001660000-0x0000000001674000-memory.dmp

Filesize
80KB

Download